135956910289 has 8 divisors (see below), whose sum is σ = 136235399040. Its totient is φ = 135678706800.

The previous prime is 135956910281. The next prime is 135956910307. The reversal of 135956910289 is 982019659531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135956910289 - 2³ = 135956910281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135956910281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896242 + ... + 1036900.

It is an arithmetic number, because the mean of its divisors is an integer number (17029424880).

Almost surely, 2^135956910289 is an apocalyptic number.

It is an amenable number.

135956910289 is a deficient number, since it is larger than the sum of its proper divisors (278488751).

135956910289 is a wasteful number, since it uses less digits than its factorization.

135956910289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142631.

The product of its (nonzero) digits is 5248800, while the sum is 58.

The spelling of 135956910289 in words is "one hundred thirty-five billion, nine hundred fifty-six million, nine hundred ten thousand, two hundred eighty-nine".